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Your Delivery may be delayed due to Covid pandemic. Know More
Your Delivery may be delayed due to Covid pandemic. Know More

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Integra™ Boost™ humidity indicating cards are an inexpensive way to quantify relative humidity levels accurately. They are simple to use, allowing instant visual verification of product integrity. The spots turn from pink to blue to indicate humidity levels. When combined with Integra™ Boost™, you will surely leave any moisture problems behind. They measure 50% - 70% humidity. 10 cards per pack.